From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Cover note for attached notes on the technical development of the Auto Switch.
| Identifier | ExFiles\Box 59\1\ Scan332 | |
| Date | 9th September 1928 | |
| X4008 To BY/NHW. from EFC. EFC/T9.9.28. Please find attached copy of Notes on the Technical Development of the Auto Switch, which I have made at your request. EFC. | ||